I am helping a student on his final year project which will command the phone to transmit SMS, with an MCU rather than a PC. We are now identifying which phone to use. We have try a Nokia 3310. However, it doesn't accept AT command. We also have try 8210, but it have to command via infared port. Can you please tell us which are the model can fulfill this purpose? It is difficult to try and error all the phones as the phones and data cables are expensive. Can the Nokia 3610 do the job? Your help is appreciated.